Bus and Train
Please use the journey planner by Deutsche Bahn to calculate the best route to "Campus Melaten (Physikzentrum), Aachen". This route will likely include either of two railway stations, Aachen Hbf oder Aachen West. From there you have to continue by bus. Further details are given below. Alternatively, you could take a taxi to Physikzentrum (part of Campus Melaten) which should take about 15 minutes.
By train via Aachen Hbf
Leave the station and go to the bus stop Hauptbahnhof. Take either bus 3A or 3B, and get off at Campus Melaten. Either of these two busses leaves every 15 minutes. Once you have arrived at Campus Melaten, please take the stairs which lead away from the bus stop towards the street Otto-Blumenthal-Straße. The buidling across this street is the Physikzentrum.
By train via Aachen West
Leave the station and take a left to reach the bus stop Westbahnhof. From there you can take either of the busses 33, 73 or 3A to the bus stop Campus Melaten. A bus leaves approximately every 8 Minuten during the week at daytime. Once you have arrived at Campus Melaten, please take the stairs which lead away from the bus stop towards the street Otto-Blumenthal-Straße. The buidling across this street is the Physikzentrum.
By bus within Aachen
Any of the bus services 3A/3B, 12, 22, 33 or 73 stop at Campus Melaten. Please take the stairs which lead away from the bus stop towards the street Otto-Blumenthal-Straße. The buidling across this street is the Physikzentrum. You can plan your journey online at AVV (starting from Aachen Central Station per default). The bus stops from which the previously listed bus services leave can be found in the timetables for bus 3A/3B, bus 12, bus 22, bus 33 and bus 73.